Home / 1,611,315.87-2,223,571.55-886,163.64

Finding the Fourth Proportional to 1,611,315.87, 2,223,571.55 and 886,163.64

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Solution

The fourth proportional to 1,611,315.87, 2,223,571.55 and 886,163.64 is: 1,222,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,315.87 : 2,223,571.55 = 886,163.64 : x
  2. Step 2: Convert to fraction form
    1,611,315.87/2,223,571.55 = 886,163.64/x
  3. Step 3: Cross multiply
    1,611,315.87x = 2,223,571.55 × 886,163.64
  4. Step 4: Simplify right side
    1,611,315.87x = 1,970,448,254,117.62
  5. Step 5: Solve for x
    x = 1,970,448,254,117.62/1,611,315.87
  6. Step 6: Final answer
    x = 1,222,881.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.